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42842992220 = 2257243717339
BaseRepresentation
bin100111111001101001…
…000010111001011100
311002120210122111122122
4213321221002321130
51200220301222340
631403134002112
73044455265600
oct477151027134
9132523574578
1042842992220
1117195830196
128378046338
13406a083292
142105dc3500
1511ab3b4db5
hex9f9a42e5c

42842992220 has 36 divisors (see below), whose sum is σ = 104659311960. Its totient is φ = 14689025568.

The previous prime is 42842992183. The next prime is 42842992223. The reversal of 42842992220 is 2229924824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42842992223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21857690 + ... + 21859649.

It is an arithmetic number, because the mean of its divisors is an integer number (2907203110).

Almost surely, 242842992220 is an apocalyptic number.

It is an amenable number.

42842992220 is an abundant number, since it is smaller than the sum of its proper divisors (61816319740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42842992220 is a wasteful number, since it uses less digits than its factorization.

42842992220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43717362 (or 43717353 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 42842992220 in words is "forty-two billion, eight hundred forty-two million, nine hundred ninety-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 43717339 87434678 174869356 218586695 306021373 437173390 612042746 874346780 1224085492 1530106865 2142149611 3060213730 4284299222 6120427460 8568598444 10710748055 21421496110 42842992220